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Old Nov 02, 2012, 07:28 AM
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Joined Oct 2012
8 Posts
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MQ-9 Reaper - Engine options

Hi all
I am building an MQ-9 Reaper, I have looked around the web and all the other builds are electric. Got me thinking would a fuel conversion give better power and longer flight time,
1st question for the internets is, Why has it not been done?

2nd do you think the plane would take a fuel motor ?
3rd if so which would be best?

Any input and any suggestions would be great

http://www.hobbyking.com/hobbyking/s..._FPV_ARF_.html
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Old Nov 17, 2012, 05:24 PM
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Cry_Wolf's Avatar
Argentina
Joined Nov 2012
15 Posts
Quote:
Originally Posted by SirPent View Post
Hi all
I am building an MQ-9 Reaper, I have looked around the web and all the other builds are electric. Got me thinking would a fuel conversion give better power and longer flight time,
1st question for the internets is, Why has it not been done?

2nd do you think the plane would take a fuel motor ?
3rd if so which would be best?

Any input and any suggestions would be great

http://www.hobbyking.com/hobbyking/s..._FPV_ARF_.html
#1
It would look "bad" (I believe "not clean" works better for this case) from whatever side you look at it from, whether you put the engine inside or outside the fuselage.

#2
Fuselage is made entirely of fiberglass, I'm not sure how it will react to a glow engine's vibrations.

#3
I think a .40 is on the overkill side. But that depends on how much weight you put on it. Also fitting the fuel tank will be a huge problem because of the elevator and rudder systems that go all the way through the fuselage so there isn't any "clean" space for the fuel tank.

I wonder why nobody answered you before. Nevermind, found your new thread.
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Last edited by Cry_Wolf; Nov 17, 2012 at 05:30 PM.
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Old Nov 18, 2012, 07:58 PM
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United States, NC, Taylorsville
Joined Oct 2012
228 Posts
Try it and find out. I bet you could do a custom job for the fuel tank. I wouldn't be to worried about looks, but that's me.
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